May weather forecast
San Martin, CA

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Weather in May

May, the last month of the spring in San Martin, is a pleasant month, with an average temperature ranging between max 72.5°F (22.5°C) and min 46.6°F (8.1°C).

Temperature

San Martin's entry into May measures an average high-temperature of an agreeable 72.5°F (22.5°C), closely parallel to the preceding month. From the height of daytime heat, the temperature recedes to an average of 46.6°F (8.1°C) at night during May.

Humidity

The average relative humidity in May in San Martin is 65%.

Rainfall

In San Martin, during May, the rain falls for 4.9 days and regularly aggregates up to 0.47" (12mm) of precipitation. Throughout the year, in San Martin, California, there are 70.6 rainfall days, and 10.83" (275mm) of precipitation is accumulated.

Daylight

The average length of the day in May is 14h and 10min.
On the first day of May, sunrise is at 6:10 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:20 pm PDT.

Sunshine

In San Martin, the average sunshine in May is 11.1h.

UV index

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 5 during May translates into these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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Frequently asked questions

What is the temperature in May in San Martin?

The high-temperature, in May, in San Martin, records 72.5°F (22.5°C), while the low-temperature is 46.6°F (8.1°C).

What is the average humidity in May in San Martin?

In San Martin, California, the average relative humidity in May is 65%.

How much does it rain in San Martin in May?

In May, in San Martin, California, the rain falls for 4.9 days. Throughout May, 0.47" (12mm) of precipitation is accumulated.

How many hours of daylight does San Martin have in May?

The average day length in May is 14h and 10min.

What time are sunrise and sunset in May in San Martin?

In May, on the first day of the month, sunrise is at 6:10 am and sunset at 7:56 pm. On the last day of the month, in San Martin, sunrise is at 5:48 am and sunset at 8:20 pm PDT.

How many hours of sunshine does San Martin have in May?

In San Martin, the average sunshine duration in May is 11.1h.

What is the UV index intensity in May in San Martin?

The average daily maximum UV index in May in San Martin is 5. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
San Martin, CA

Average temperature in May - San Martin, CA
  • Average high temperature in May: 72.5°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (55.8°F).

  • Average low temperature in May: 46.6°F

The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).

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Average pressure in May
San Martin, CA

Average pressure in May - San Martin, CA
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

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Average wind speed in May
San Martin, CA

Average wind speed in May - San Martin, CA
  • Average wind speed in May: 5.4mph

The windiest month (with the highest average wind speed) is May (5.4mph).
The calmest month (with the lowest average wind speed) is November (3.9mph).

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Average humidity in May
San Martin, CA

Average humidity in May - San Martin, CA
  • Average humidity in May: 65%

The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are July and September (55%).

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Average rainfall in May
San Martin, CA

Average rainfall in May - San Martin, CA
  • Average rainfall in May: 0.47"

The wettest month (with the highest rainfall) is December (1.97").
The driest months (with the least rainfall) are June, July and August (0.08").

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Average rainfall days in May
San Martin, CA

Average rainfall days in May - San Martin, CA
  • Average rainfall days in May: 4.9 days

The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is August (1 days).

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Average daylight in May /
Average sunshine in May
San Martin, CA

Average daylight in May / Average sunshine in May - San Martin, CA
  • Average daylight in May: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in May: 11h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

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Average sunshine days in May
San Martin, CA

Average sunshine days in May - San Martin, CA
  • Average sunshine days in May: 24.2 days

The month with the most sunshine days is August (28.7 days).
The month with the least sunshine days is March (16.8 days).

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Average UV index in May
San Martin, CA

Average UV index in May - San Martin, CA
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in May
San Martin, CA

Average cloud cover in May - San Martin, CA
  • Average cloud cover in May: 22

The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 5).

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Average visibility in May
San Martin, CA

Average visibility in May - San Martin, CA
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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San Martin, California, USA

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